Question about Bissell 7901-1 ProHeat Scotchgard Upright Wet/Dry Vacuum
The soap dispenser is full and while I am shampooing the carpet, there is no soap coming out and the dispenser remains full and I just have dirty water.
I had this problem. Sprays water but not soap. Fixed it by taking off the rear cover and cleaning out the tube immediately downstream of the soap reservoir. It was plugged solid with old soap. The soap receptacle just pops out with some gently prying, so that you can take off the hose to clean it out.
Note, I had to re-prime the pump after I put it all together. This was annoying, but not very hard: take the cover off the water reservoir, put the part with the bladder back onto the machine, turn it on and press the trigger while placing your hand over the rubber gasket to block off the suction. You should see the flow indicator spin very fast when you block it off. Alternate between pressing and holding the trigger and blocking off the suction a few times. I did this several times, then it started spraying water like normal again.
Probably a good idea to use the rinse feature when done cleaning, and/or run some water (with vinegar) through the soap dispenser to help stop old soap and minerals from building up inside the machine.
Posted on Jan 06, 2014
Another possibility is that the plunger part of the soap dispenser's cap insert is getting stuck. It's the part where there's a spring. There is a button that I noticed on mine kept getting stuck. I rinsed it really well, pressing it repeatedly in running water. Seems to have done the trick.
Posted on Aug 18, 2012
This could be due to dried out soap in the works below the dispenser. Try cleaning the hole, putting plain water in the soap dispenser to clean it out further. You could just put some soap in with the water. Be sure to run lots of rinse water through afterward to clean out the heating unit.
Posted on Sep 11, 2007
My Bissell did this same thing and it took forever for me to figure out. Seems one of my kids turned the dial that says heavy traffic, normal traffic around and around. All I had to do was turn it back until it wouldn't turn anymore and VOILA!
Posted on Sep 23, 2007
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Posted on Jan 02, 2017
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